does your customer have any issues or is this a first inspection type call just to see Jerry
On Tue, Aug 12, 2014 at 3:54 PM, Mac Lewis <[email protected]> wrote: > Hello wrenches, > > I just went on a service call for a new client. He had a bank of 4 year > old Interstate L16HCL batteries, 2 strings of 8, 48V system, 840Ahr. We > went through the batteries and got specific gravity on all of the cells > post-equalization. I was a bit surprised to see some very high numbers ie > over 1.32 for the specific gravities (higher than my refractometer goes). > The specific gravities were all over the place, but I haven't seen numbers > this high. I don't have a great explanation. He has a stacked 3648 VFX > Outback system, and the set-points were 58.8V Absorb for 2 hours, and 62V > Equalize for 2 hours. He has a decent amount of solar (about 3400W) and a > 1000W wind generator. > > Any ideas why the specific gravity is so high on some cells? Also, is > there anything wrong with having SG this high, post-equalization? For this > very standard battery, what settings do you go with (Bulk, Absorb, Float, > Eq, and times for Abs and Equalization). > > Thanks in advance > > > > -- > > > > Mac Lewis > > *"Yo solo sé que no sé nada." -Sócrates * > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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